./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:32:07,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:32:07,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:32:07,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:32:07,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:32:07,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:32:07,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:32:07,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:32:07,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:32:07,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:32:07,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:32:07,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:32:07,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:32:07,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:32:07,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:32:07,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:32:07,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:32:07,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:32:07,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:32:07,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:32:07,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:32:07,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:32:07,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:32:07,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:32:07,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:32:07,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:32:07,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:32:07,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:32:07,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:32:07,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:32:07,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:32:07,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:32:07,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:32:07,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:32:07,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:32:07,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:32:07,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:32:07,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:32:07,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:32:07,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:32:07,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:32:07,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-22 15:32:08,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:32:08,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:32:08,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:32:08,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:32:08,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:32:08,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:32:08,007 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:32:08,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:32:08,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:32:08,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:32:08,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:32:08,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:32:08,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:32:08,008 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:32:08,009 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:32:08,009 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:32:08,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:32:08,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:32:08,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:32:08,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:32:08,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:32:08,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:32:08,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:32:08,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:32:08,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:32:08,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:32:08,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:32:08,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:32:08,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:32:08,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-11-22 15:32:08,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:32:08,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:32:08,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:32:08,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:32:08,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:32:08,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-11-22 15:32:08,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/13e9dd81b/4bdb37dd0ec3441cb37b4529f3f25b89/FLAGe34fd9f47 [2021-11-22 15:32:08,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:32:08,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-11-22 15:32:08,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/13e9dd81b/4bdb37dd0ec3441cb37b4529f3f25b89/FLAGe34fd9f47 [2021-11-22 15:32:09,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/13e9dd81b/4bdb37dd0ec3441cb37b4529f3f25b89 [2021-11-22 15:32:09,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:32:09,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:32:09,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:32:09,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:32:09,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:32:09,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:32:09" (1/1) ... [2021-11-22 15:32:09,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd3f7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:09, skipping insertion in model container [2021-11-22 15:32:09,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:32:09" (1/1) ... [2021-11-22 15:32:09,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:32:09,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:32:09,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:32:09,755 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-22 15:32:09,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21874dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:09, skipping insertion in model container [2021-11-22 15:32:09,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:32:09,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 15:32:09,760 INFO L158 Benchmark]: Toolchain (without parser) took 532.57ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 106.0MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:32:09,762 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:32:09,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.01ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 106.0MB in the end (delta: -6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:32:09,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.01ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 106.0MB in the end (delta: -6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:32:12,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:32:12,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:32:12,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:32:12,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:32:12,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:32:12,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:32:12,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:32:12,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:32:12,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:32:12,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:32:12,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:32:12,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:32:12,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:32:12,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:32:12,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:32:12,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:32:12,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:32:12,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:32:12,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:32:12,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:32:12,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:32:12,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:32:12,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:32:12,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:32:12,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:32:12,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:32:12,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:32:12,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:32:12,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:32:12,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:32:12,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:32:12,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:32:12,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:32:12,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:32:12,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:32:12,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:32:12,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:32:12,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:32:12,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:32:12,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:32:12,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-22 15:32:12,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:32:12,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:32:12,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:32:12,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:32:12,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:32:12,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:32:12,283 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:32:12,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:32:12,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:32:12,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:32:12,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:32:12,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:32:12,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:32:12,286 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:32:12,287 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:32:12,287 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:32:12,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:32:12,288 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:32:12,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:32:12,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:32:12,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:32:12,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:32:12,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:32:12,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:32:12,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:32:12,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:32:12,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:32:12,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:32:12,291 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:32:12,291 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:32:12,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:32:12,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:32:12,293 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-11-22 15:32:12,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:32:12,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:32:12,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:32:12,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:32:12,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:32:12,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-11-22 15:32:12,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/dba57327a/499c45fdee6b4a268451372e29cef6d4/FLAGacd297c7d [2021-11-22 15:32:13,454 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:32:13,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-11-22 15:32:13,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/dba57327a/499c45fdee6b4a268451372e29cef6d4/FLAGacd297c7d [2021-11-22 15:32:13,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/data/dba57327a/499c45fdee6b4a268451372e29cef6d4 [2021-11-22 15:32:13,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:32:13,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:32:13,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:32:13,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:32:13,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:32:13,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:32:13" (1/1) ... [2021-11-22 15:32:13,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:13, skipping insertion in model container [2021-11-22 15:32:13,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:32:13" (1/1) ... [2021-11-22 15:32:13,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:32:13,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:32:14,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:32:14,447 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 15:32:14,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:32:14,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:32:14,579 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:32:14,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:32:14,751 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:32:14,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14 WrapperNode [2021-11-22 15:32:14,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:32:14,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:32:14,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:32:14,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:32:14,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,856 INFO L137 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 37 [2021-11-22 15:32:14,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:32:14,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:32:14,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:32:14,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:32:14,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:32:14,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:32:14,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:32:14,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:32:14,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (1/1) ... [2021-11-22 15:32:14,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:32:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:32:14,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:32:14,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:32:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:32:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:32:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:32:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:32:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:32:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:32:15,192 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:32:15,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:32:15,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:32:15,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:32:15,394 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 15:32:15,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:32:15 BoogieIcfgContainer [2021-11-22 15:32:15,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:32:15,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:32:15,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:32:15,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:32:15,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:32:13" (1/3) ... [2021-11-22 15:32:15,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55524815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:32:15, skipping insertion in model container [2021-11-22 15:32:15,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:32:14" (2/3) ... [2021-11-22 15:32:15,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55524815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:32:15, skipping insertion in model container [2021-11-22 15:32:15,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:32:15" (3/3) ... [2021-11-22 15:32:15,407 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-11-22 15:32:15,412 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:32:15,413 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-22 15:32:15,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:32:15,475 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:32:15,476 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-22 15:32:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 15:32:15,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:15,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:15,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-11-22 15:32:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2021-11-22 15:32:15,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:15,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514902237] [2021-11-22 15:32:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:15,524 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:15,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:15,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:15,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:32:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:15,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:32:15,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:32:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:15,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:32:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:15,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:32:15,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514902237] [2021-11-22 15:32:15,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514902237] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:15,865 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:15,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:32:15,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800598981] [2021-11-22 15:32:15,868 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:15,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:15,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:32:15,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:15,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:15,906 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:15,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:15,974 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-11-22 15:32:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:15,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-22 15:32:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:15,984 INFO L225 Difference]: With dead ends: 12 [2021-11-22 15:32:15,984 INFO L226 Difference]: Without dead ends: 10 [2021-11-22 15:32:15,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:32:15,991 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:16,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:32:16,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-22 15:32:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-22 15:32:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-11-22 15:32:16,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2021-11-22 15:32:16,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:16,058 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-11-22 15:32:16,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-11-22 15:32:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:32:16,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:16,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:16,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-22 15:32:16,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:16,273 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-11-22 15:32:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:16,274 INFO L85 PathProgramCache]: Analyzing trace with hash -594747064, now seen corresponding path program 1 times [2021-11-22 15:32:16,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:32:16,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580557707] [2021-11-22 15:32:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:16,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:32:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:32:16,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:32:16,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:32:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:32:16,378 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:32:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:32:16,449 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-22 15:32:16,449 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:32:16,451 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2021-11-22 15:32:16,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2021-11-22 15:32:16,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2021-11-22 15:32:16,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (0 of 4 remaining) [2021-11-22 15:32:16,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:32:16,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:32:16,670 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 15:32:16,674 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:32:16,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:32:16 BoogieIcfgContainer [2021-11-22 15:32:16,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:32:16,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:32:16,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:32:16,704 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:32:16,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:32:15" (3/4) ... [2021-11-22 15:32:16,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 15:32:16,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:32:16,710 INFO L158 Benchmark]: Toolchain (without parser) took 2965.94ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 45.9MB in the beginning and 61.9MB in the end (delta: -15.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,711 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:32:16,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1008.97ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 33.1MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.38ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.9MB in the beginning and 75.9MB in the end (delta: -42.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,714 INFO L158 Benchmark]: Boogie Preprocessor took 57.61ms. Allocated memory is still 94.4MB. Free memory was 75.8MB in the beginning and 74.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,714 INFO L158 Benchmark]: RCFGBuilder took 480.25ms. Allocated memory is still 94.4MB. Free memory was 74.3MB in the beginning and 64.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,715 INFO L158 Benchmark]: TraceAbstraction took 1303.32ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-22 15:32:16,716 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 94.4MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:32:16,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1008.97ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 33.1MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.38ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.9MB in the beginning and 75.9MB in the end (delta: -42.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.61ms. Allocated memory is still 94.4MB. Free memory was 75.8MB in the beginning and 74.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.25ms. Allocated memory is still 94.4MB. Free memory was 74.3MB in the beginning and 64.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1303.32ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 94.4MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L773] CALL entry_point() [L766] CALL, EXPR probe_9_2() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\result=3, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET, EXPR probe_9_2() [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={2:0}, ldv_global_msg_list={1:0}, ret=3] [L770] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}, ret=3] [L773] RET entry_point() - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 1 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 15:32:16,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3fda01-a8a6-4117-adc6-385d25ea71eb/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample